single-nucleotide polymorphism, I think this might be it. I hope it helps.
Answer:
Both A and C is the right
Hello there.
<span>Microfilaments (actin) are important for
A.
cell movement</span>
I think it's called the Acrosome
Answer:
To study these moths, Dr. Kettlewell placed light and dark moths on the trunks of trees where he could observe them. The same birds would find the dark moth twice as often if the bark on the tree was light. This supported the idea that dark moths had a survival advantage in a dark forest.